Micronized Copper Azole Preservative

YellaWood® brand products are treated with a micronized copper preservative.

Micronized Copper Snapshot

  • Treatment Type: Micronized Copper Azole (MCA)
  • Environmental Certification of the Treatment Process: Environmentally Preferable Product certification by Scientific Certification Systems based on Life-Cycle Assessment for Koppers MCA treated products
  • Protection from Rot, Fungal Decay and Termite Attack: Yes
  • Fence Warranty: Limited 15 Year
  • Above-Ground Warranty: Lifetime Residential & Agricultural Limited
  • Ground Contact/Fresh Water Contact Warranty: Lifetime Residential & Agricultural Limited
  • Paintable/Stainable: Yes
  • ESR: #2240 (Koppers MCA)
  • EPA Registered: Yes
  • Building Code Compliant: Yes
  • Corrosion Characteristics: Similar to CCA treated and untreated wood
  • Aluminum Contact: Yes

Characteristics of the Micronized Copper Preservative

Consumers have fallen in love with the lighter, more natural appearance of micronized copper treated products as well as their improved painting and staining capabilities. But YellaWood® brand products are also:

  • Approved for contact with aluminum
  • Long-lasting, durable, clean to the touch
  • Have no objectionable odor
  • Provide protection from rot, fungal decay and termite attack
  • Offer superior product benefits compared to other copper-based wood preservatives

YellaWood® brand products are available in Southern Yellow Pine and South American Pine species and are available treated for Above Ground, Above Ground General Use, Ground Contact and Fresh Water Immersion applications. The preservatives used in the treatment process are registered by the EPA as a non-restricted use pesticide and do not require Proposition 65 labeling in California. Products treated with micronized copper preservatives, such as YellaWood® brand products, as described in ESR-2240 are building code compliant.